Taipei, Taiwan

A young man attends a candlelight vigil to mark the 25th anniversary of the June 4 Chinese military crackdown on the pro-democracy movement in Beijing.

Credit: Wally Santana/AP

Hong Kong, China

Tens of thousands of people attend a candlelight vigil at Victoria Park , June 4, 2014.

Credit: Kin Cheung/AP

Hong Kong, China

A shadow of a protester stands in front of a mock tank. Thousands marched on a downtown street to mark the 25th anniversary of the Bloody crackdown on Tiananmen Square, ahead of a much larger annual candlelight vigil. The Chinese words on white T-shirt reads " Citizen against orders," June 1, 2014.

Credit: Vincent Yu/AP

Hong Kong, China

Tens of thousands of people attend a candlelight vigil at Victoria Park to mark the 25th anniversary of the June 4 Chinese military crackdown on the pro-democracy movement in Beijing, June 4, 2014.

Credit: Vincent Yu/AP

Hong Kong, China

Police officers try to stop a protester throwing “ghost money" into the Chinese liaison office in Hong Kong to mark the 25th anniversary of China's crackdown on pro-democracy protests on Tiananmen Square, June 3, 2014.

The banners read from left, "Stop one party rule in China," "Memorial," and "Demand accountability for the massacre."

Credit: Kin Cheung/AP

Hong Kong, China

Protesters carry a huge banner with Chinese words "Exonerate the June 4 protest," June 1, 2014.

Credit: Vincent Yu/AP

Beijing, China

A Chinese man carries a young girl on his shoulders as they stand in Tiananmen Square, June 3, 2014.